self
selves
scarf
scarves
louse
lice
life
lives
foot
feet
half
halves
wife
wives
fish
fish
ox
oxen
phenomenon
phenomena
series
series
goose
geese
deer
deer
child
children
woman
women
sheep
sheep
mouse
mice
wolf
wolves
man
men
die
dice
knife
knives
tooth
teeth
salmon
salmon
loaf
loaves
moose
moose
person
people
leaf
leaves
bacterium
bacteria